In the episode where Maude dies, Flanders is seen lying on the left side of a double bed. In the episode where Flanders is attracted to a Christian singer, Flanders says that the left side of the bed is where Maude slept and does not wish for her indentation in the sheets to be disturbed. In other episodes, Flanders states that he and Maude sleep in different beds.
Homer said he parked in the ambulance spot at the race track that's impossible that Simpsons didn't drive to the race track they came across it on accident while going on a hike.